nuclear spectrum 中文意思是什麼

nuclear spectrum 解釋
核輻射譜
  • nuclear : adj 1 核的,成核的;有核的。2 【物理學】原子核的;原子能的;原子彈的;核動力的。3 〈比喻〉核心的...
  • spectrum : n. (pl. -tra )1. 【物理學】譜,光譜;波譜;能譜,質譜。2. 【無線電】射頻頻譜;無線電(信號)頻譜。3. 【心理學】(眼睛的)余像;殘像。4. 〈轉義〉范圍,幅度;(連續的)系列。
  1. At the other hand, we can perform the rrpa calculation with the continuum replaced by a set of outgoing single particle resonances, it indicates that the resonances in the continuum play an important role in the description of nuclear dynamical processes, such as collective giant resonances. energies, widths and wave functions of the single particle resonant continuum are determined by solving scattering states of the dirac equation with proper asymptotic conditions for the continuous spectrum in the r ' elativistic mean field theory. the relativistic regular and irregular coulomb wave functions are calculated numerically

    在進行相對論無規位相近似計算時將連續譜中所有的正能態用單粒子共振態來代替,並且在計算中採用單粒子共振態的真實寬度,利用這種方法我們計算了核的同位旋標量巨八極共振響應函數,並且和考慮了連續譜中所有正能態貢獻的結果進行比較,計算結果表明,連續譜中只考慮單粒子共振態對核的集體激發的貢獻時,給出的響應函數基本上能夠重現考慮了所有正能態貢獻時的計算結果,這說明了在核的集體激發中,連續譜中主要是單粒子共振態的貢獻。
  2. Wt has been applied to denoising, data compression, and resolution of overlapping signals in analytical chemistry that includes flow injection analysis ( fia ), voltammetric analysis, high performance liquid chromatography ( hplc ), infrared ( ir ) spectroscopy, mass spectroscopy ( ms ), nuclear magnetic resonance ( nmr ) spectroscopy, ultraviolet - visible ( uv - vis ) spectroscopy, photoacoustic spectroscopy ( pas ), extended x - ray absorption fine structure ( exafs ) spectrum, etc

    在分析化學領域中,小波變換在流動注射分析、伏安分析、高效液相色譜、紅外光譜、質譜、核磁共振譜、可見紫外光譜、光聲光譜、擴展x -射線吸收精細結構( exafs )譜等分析化學信號的平滑濾噪、數據壓縮、重疊信號解析等方面都有成功的應用。
  3. It ' s a more accurate method in determining the isotopic abundance of uranium. the paper describes the measurement principles that allow accurate measurements to be taken on samples of arbitrary size, shape, and measurement geometry - and of arbitrary physical and chemical composition - through the use of know nuclear decay data ( half - lives and branching intensities ). this method relies on internal gamma - ray peaks from the spectrum under analysis to self - calibrate the unknown spectrum for energy and peak shape

    本工作首次分析了pc fram軟體的演算法並使用高純鍺探測器探測歐共體低濃鈾標準樣品,使用pc fram軟體的預設參數並不能得到準確的富集度值,通過大量的實驗,本工作對鈾富集度測量中的關鍵問題進行了初步的研究並給出了本實驗室條件下準確分析鈾富集度的修正參數和條件。
  4. We further find that anti - flow appears at certain large impact parameter, which seems to be more sensitive to 2 and might provide more definite information of the magnitude of 2. the absorption effect of k - mesons is also studied, we find although there exists strong k - absorption, k - spectrum can still contain the messages of at " in nuclear medium

    接著我們又研究了k ~ -介子的吸收問題,發現雖然有強烈的k ~ -吸收存在,其能譜在不太重的核系統的非中心碰撞中仍顯示出對為的依賴,有可能提供k在核介質中性質的知識。
  5. The nuclear fissile reaction system, which provides nuclear energy or neutrons, theoretically demands its criticality safety and neutron energy spectrum to be predicated. generally, those are realized by calculating the k - eigenvalue problem

    對于提供核能源或中子源的核裂變反應系統,需從理論上給出它的臨界安全性和中子能譜,通常通過k本徵值問題的計算來實現。
  6. Used fourier transforming the nuclear logs, its vertical resolution can be achieved from analyzing the changes of amplitude spectrum slope

    摘要對核測井曲線進行付氏變換,其縱向解析度可以從分析振幅譜斜率變化中獲得。
  7. As a nuclear instrument, multi - channel analyzer ( mca ) is mainly applied to nuclear logging, y - ray spectrum measurement and x - ray fluorescence measurement, which are based on nuclear spectrum analysis

    作為一種核儀器? ?多道分析儀,主要應用在基於能譜分析的核測井,射線譜測量和x射線熒光測量。
  8. When the energy distribution of secondary neutron are represented by evaporation spectrum ( lf = 9 ), care must be taken in describing the nuclear temperature near the threshold

    通過分析發現,評價次級中子能譜數據所採用的蒸發譜模型大都忽略了能級密度參數與激發能之間的關聯。
  9. All cross sections of neutron induced reaction, elastic scattering angular distribution, neutron energy spectrum and double differential cross sections were calculated by using optical model and the semi - classical model of multi - step nuclear reaction processes based on the hauser - feshbach and exciton model in the energy region up to 20mev

    應用光學模型和以復合核平衡態理論( hauser ? feshbach理論)及激子模型為基礎的核反應多步過程的半經典理論,計算了當中子入射能量低於20mev時n + ~ ( 112120 ) sn反應的所有中子入射截面、彈性散射角分佈、出射中子能譜以及出射中子雙微分截面。
  10. Therefore, the crucial factor of technology of nucleus - detection is nuclear spectrum data collecting system whose core is the multi - channel analyzer ( mca )

    所以以多道脈沖幅度分析器為核心的核能譜數據採集系統,是核輻射探測技術的關鍵。
  11. As compared with multi - channel analyzer, platform of microcomputer consumes much more energy, thereby, it will follow a rational line to be research and developing orientation of nuclear spectrum apparatus to choose new pattern platform of microcomputer of low power and develop tiny pattern and low power nuclear spectrum apparatus

    對于基於臺式機和筆記本平臺的多道脈沖幅度分析器,微機平臺功耗很大。因此選用新型低功耗微機平臺,開發小型、低功耗的核能譜儀,成為今後核能譜儀的研究發展方向。
  12. Measuring technology of multi - channel is the foundation of matter composition and radioactivity verifying by way of nuclear methods. the dissertation aims at developing tendency of measuring technology of multi - channel nuclear energy spectrum, combining the characteristics of field working, focusing on systematically reseach on some key techniques such as the design of multi - channel analyzer ( mca ) and apparatus, with a view to resolve defects exsisting in current portable apparatus

    論文瞄準國內外多道核能譜測量技術的發展趨勢,結合現場工作的特點,針對目前現場多道核能譜測量儀器中存在的諸如儀器功耗、重量、體積偏大,不便於現場操作等問題,在多道脈沖幅度分析器以及儀器的單片機機化等方面作了較為系統的研究。
  13. The feasibility of taking the gamma ray spectrum as a fingerprint of nuclear warhead is studied. the range of the gamma ray fingerprint could be applied to and the conditions under which it

    我們研究了射線譜作彈頭指紋以判別彈頭類型的可行性、適用范圍以及對探測時間、距離的要求。
  14. The chemical structure of these compounds were identified by using elemental analysis, infrared spectrum, nuclear magnetion reasonance, and mass spectrometry. their liquid - crystalline behavior was characterized by differential scanning calorimetery ( dsc ), polarizing optical microscopy ( pom ), and polarimetric analysis

    4 ,二硝基和二氨基二苯並15冠5的合成均為新化合物中間體和化合物的化學結構經元素分析、 ir 、 hnmr和ms等方法確證,化合物的液晶性通過dsc和pom等方法測試和表徵。
  15. Nuclear instrumentation - spectrometry - characterization of the spectrum background in hpge nuclear gamma - ray spectrometry

    核儀器裝置.光譜測定法. hpge核射線光譜測定法中光譜底色的特性
  16. Nuclear instrumentation - spectrometry - characterization of the spectrum background in hpge gamma - ray spectrometry iec 61976 : 2000

    核儀器裝置.光譜測定法. hpge射線光譜測定法中光譜
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